Changing the world might seem like an impossible feat, but our Alumni Award winners have shown dreams can become reality. Annabelle Chauncy now operates three schools in Uganda, while mathematics teacher Eddie Woo has thousands of subscribers to his educational video channel: Wootube. Common to their stories are three simple steps that show anyone can make a difference.

Airbnb, rent and you

Short-term accommodation has taken over New York, London, Berlin, Barcelona and San Francisco and now it’s gripping Australia. Will this make housing even more unaffordable in high-demand suburbs and what is the government doing about it? Our experts weigh in.

Sydney Uni joins the space race

The University of Sydney has blasted into space, with Professor Iver Cairns helping to launch INSPIRE-2, a series of cube satellites to help us find out about the Earth’s upper atmosphere and space weather. Meanwhile, the galactic dreams of two students are also taking off, as they have been selected to work at NASA’s Jet Propulsion Lab.

Come along to Postgraduate Information Evening on 17 May to speak one-on-one with academic staff and course advisers about your postgraduate study options. Have all your questions answered, from how to apply to scholarships and fees information. Register now.

Discussing female empowerment through farming and social enterprise, inspiring educator Chido Govera will speak at a special Sydney Ideas event on 2 May.

Eurovision is one of the longest running and most watched television events in the world. What political insights can we take away from the competition and why exactly is Australia competing? Find out at Eurovision and the European Project.

Help Vivid light up the city as a volunteer at the world’s largest festival of light, music and ideas. Apply by 12 May.